Bevel-square.



@.M. SBIBERT. BEVBL SQUARE.

APPLICATION FILED MAE. 16, 1905.

PATENTED JUNE 13, 1905.

Will

(agli/tvnews NiTnn STATES ODE MARCELLUS SEIBERT,

Patented June 13, 1905.

OF HARTFORD, KENTUCKY BEVEL-SQUARE.

SPECIFICATION forming part of Letters Patent No. 792,469, dated June 13, 1905.

Application filed March 16, 1905. Serial No. 250,452.

T all 1071.0711/ 7715 may concern.-

Be it known th atI ODE MARonLLUs SEIBERT, a citizen of the United States, residing' at Hartford, in the county of Ohio and State of Kentucky, have invented certain new and useful Improvements in Bevel-Squares; and I do declare the following to bea full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in bevel or miter squares.

The object of the invention is to provide a square of this character by the use of which various angles or bevels may be readily ascertained.

With the above and other-objects in view the invention consists of certain novel features of construction,combination,and arrangement of parts, as will be hereinafter described and claimed.

In the accompanying'drawings,Figure 1 is a plan view of a bevel or miter square constructed in accordance with the invention. Fig. 2 is a horizontal sectional viewthrough the sheath or hollow blades of the square. Fig. 3 is a vertical transverse sectional view through thc hollow blade or sheath on a line 3 3 in Fig. l, and Fig. 4 is a plan view showing the blades of the square in folded position.

Referring' more particularly to the drawings, l denotes the squareywhich consists of a hollow blade or sheath 2, one side and one end of which are open. In the open end of said blade 2. is pivotally connected a blade 3, with which is integrally formed a segmental arm or bar 4, which is adapted to work through a slot 5, formed in the hollow blade or sheath 2. In the segmental arm or bar 4 is formed a segmental slot 5', which extends from the edge of the blade 3 to within a short distance of the outer end of the arm 4. In the hollow arm or sheath 2 is arranged a set-screw 6, which passes through segmental slots of the arm 4 and by means of which said arm and the blade 3 are held in position at various angles with respect to the hollow blade or sheath 2. In the hollow blade or sheath ad- Vjacent to the open side thereof and immediately above the segmental arm is formed a recess 7.

The segmental arm 4 is provided with a graduated scale of degrees which coact with the edge of the recess 7 to indicate the angle to which the hinge-blade 3 has been adjusted. On one of the blades of the square, and preferably on the blade 3, are inscribed numerals, which indicate the degrees to which the blade 3 should be adjusted to give the desired angle or pitch for a rise of so many inches to the foot. For example, should it be desired to find the proper angle for a rise of ten inches to the foot the numerals on the blade 3 would indicate that a rise of ten inches to the foot would give an angle of thirty-seven and onehalf degrees. This degree-mark on the segmental arm is brought into line with the edge of the recess 7 of the hollow blade 2. The blade 3 would then indicate a proper pitch or bevel for a rise of ten inches to a foot. If it is desired to .retain this measurement, the setscrew in the sheath or hollow blade 2 will be tightened, thus clamping the segmental arm thereto and holding the blade 3 rigidly.

When not in use, the blade 3 of the square may be folded into the hollow blade or sheath 2, as shown in Fig. 4 of the drawings. The blade 3 is provided with a suitable recesss 8, whereby the same may be engaged by the thumb-nail and openedV to an operative position. i

A- square constructed as herein shown and described will be found to be of great advantage in laying out plans or in constructing work to enable various angles or bevels to be quickly found.

From the foregoing description, taken in Vconnection with the accompanying drawings, the construction and operation of the invention will be readily understood without requiring a more extended explanation.

Various changes in the form, proportion, and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention.

l scale of degrees, and a set-screw arranged in said sheath and passing tln'ough the slot in the arm to hold said arm and blade in their adjusted positions, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses ODE MARCELLUS SEIBERT.

Writnesses:

RowAN HoLBRooK, J. E. BEAN. 

